447
FZUS51 KBOX 261406
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1005 AM EDT SUN APR 26 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-270300-
1005 AM EDT SUN APR 26 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
LOW PRES IS EXPECTED TO TRACK THROUGH THE SOUTHERN OFFSHORE WATERS
TODAY INTO MON BEFORE MOVING INTO THE MARITIMES. HIGH PRES THEN
GOVERNS WEATHER OVER MOST WATERS EARLY NEXT WEEK. A PERIOD OF MOIST
EAST FLOW DEVELOPS TUE NIGHT, AND TURNS MORE UNSETTLED MID TO LATE
NEXT WEEK WITH A COLD FRONTAL PASSAGE AROUND THURS.
ANZ250-270300-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
1005 AM EDT SUN APR 26 2026
THIS AFTERNOON
N WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE
DETAIL: E 2 FT AT 13 SECONDS AND N 1 FOOT AT 3 SECONDS.
TONIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: E
2 FT AT 12 SECONDS AND N 1 FOOT AT 3 SECONDS.
MON
NE WINDS AROUND 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS AROUND 2 FT. WAVE DETAIL: NE 2 FT AT 3 SECONDS AND SE 2 FT
AT 8 SECONDS.
MON NIGHT
NE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 4 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND E
2 FT AT 5 SECONDS.
TUE
NE WINDS AROUND 10 KT. SEAS 4 TO 6 FT. WAVE DETAIL: E 6 FT
AT 10 SECONDS AND NE 2 FT AT 6 SECONDS.
TUE NIGHT
NE WINDS AROUND 10 KT. SEAS 5 TO 8 FT. WAVE DETAIL:
E 8 FT AT 10 SECONDS AND NE 1 FOOT AT 3 SECONDS.
WED
NE WINDS AROUND 10 KT. SEAS 6 TO 8 FT.
WED NIGHT
E WINDS AROUND 10 KT. SEAS 6 TO 7 FT. SHOWERS
LIKELY.
THU
E WINDS AROUND 10 KT. SEAS 5 TO 8 FT. SHOWERS.
THU NIGHT
NE WINDS 15 TO 20 KT. SEAS 6 TO 8 FT. SHOWERS
LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ251-270300-
MASSACHUSETTS BAY AND IPSWICH BAY-
1005 AM EDT SUN APR 26 2026
THIS AFTERNOON
NE WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SE 2 FT AT 7 SECONDS AND E 2 FT AT 13 SECONDS.
TONIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT IN THE EVENING,
THEN 1 FOOT OR LESS. WAVE DETAIL: E 2 FT AT 7 SECONDS AND NW
1 FOOT AT 2 SECONDS, BECOMING NW 1 FOOT AT 2 SECONDS AND NE
1 FOOT AT 3 SECONDS.
MON
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: NE
2 FT AT 3 SECONDS AND SE 2 FT AT 8 SECONDS.
MON NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 8 SECONDS AND NE 2 FT AT 4 SECONDS.
TUE
NE WINDS AROUND 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: E 4 FT
AT 7 SECONDS AND N 1 FOOT AT 3 SECONDS.
TUE NIGHT
NE WINDS AROUND 10 KT. SEAS 4 TO 6 FT. WAVE DETAIL:
E 6 FT AT 10 SECONDS AND SE 4 FT AT 11 SECONDS.
WED
NE WINDS AROUND 10 KT. SEAS 4 TO 6 FT.
WED NIGHT
E WINDS AROUND 10 KT. SEAS 4 TO 6 FT. SHOWERS
LIKELY.
THU
E WINDS 5 TO 10 KT. SEAS 4 TO 6 FT. SHOWERS.
THU NIGHT
NE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. SHOWERS
LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ231-270300-
CAPE COD BAY-
1005 AM EDT SUN APR 26 2026
THIS AFTERNOON
NE WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: N 1 FOOT AT 4 SECONDS AND S 1 FOOT AT 7 SECONDS.
TONIGHT
NE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL:
N 1 FOOT AT 2 SECONDS AND SE 1 FOOT AT 8 SECONDS.
MON
NE WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: N 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT
8 SECONDS.
MON NIGHT
NE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT 8 SECONDS AND N
1 FOOT AT 3 SECONDS.
TUE AND TUE NIGHT
NE WINDS AROUND 10 KT WITH GUSTS UP TO
20 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND N
1 FOOT AT 3 SECONDS.
WED
NE WINDS AROUND 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: E 4 FT
AT 9 SECONDS AND NE 2 FT AT 11 SECONDS.
WED NIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. SHOWERS LIKELY.
THU
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. SHOWERS LIKELY.
THU NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ254-270300-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
1005 AM EDT SUN APR 26 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
MONDAY EVENING...
THIS AFTERNOON
NE WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: E 2 FT AT 8 SECONDS AND E 2 FT AT 13 SECONDS. A CHANCE OF
SHOWERS. A SLIGHT CHANCE OF SHOWERS.
TONIGHT
NE WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: N
2 FT AT 3 SECONDS AND S 2 FT AT 8 SECONDS.
MON
NE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: E 4 FT
AT 7 SECONDS AND N 3 FT AT 4 SECONDS.
MON NIGHT
NE WINDS 10 TO 15 KT. GUSTS UP TO 30 KT, DECREASING
TO 20 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT. WAVE DETAIL: E 5 FT AT
6 SECONDS AND N 1 FOOT AT 3 SECONDS.
TUE
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 5 TO
7 FT. WAVE DETAIL: E 7 FT AT 10 SECONDS AND N 3 FT AT 4 SECONDS.
TUE NIGHT
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 6 TO 9 FT. WAVE DETAIL: E 9 FT AT 10 SECONDS AND N
4 FT AT 4 SECONDS.
WED
NE WINDS AROUND 10 KT. SEAS 6 TO 9 FT.
WED NIGHT
E WINDS AROUND 10 KT. SEAS 6 TO 8 FT. A CHANCE OF
SHOWERS.
THU
E WINDS AROUND 10 KT. SEAS 6 TO 8 FT. SHOWERS LIKELY.
THU NIGHT
S WINDS 15 TO 20 KT. SEAS 5 TO 8 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ255-270300-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
1005 AM EDT SUN APR 26 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
MONDAY EVENING...
THIS AFTERNOON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT 4 SECONDS AND SE 2 FT AT
9 SECONDS. SHOWERS LIKELY THIS MORNING.
TONIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. WAVE DETAIL: E 3 FT AT 4 SECONDS AND S 3 FT AT 8 SECONDS.
MON
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. WAVE DETAIL: SE 4 FT AT 7 SECONDS AND NE 3 FT AT 4 SECONDS.
MON NIGHT
NE WINDS 15 TO 20 KT. GUSTS UP TO 30 KT, DECREASING
TO 20 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT. WAVE DETAIL: E 6 FT AT
8 SECONDS AND N 3 FT AT 4 SECONDS.
TUE AND TUE NIGHT
NE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. WAVE
DETAIL: E 7 FT AT 10 SECONDS AND N 3 FT AT 5 SECONDS.
WED
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. WAVE DETAIL: E 7 FT
AT 10 SECONDS AND NE 4 FT AT 5 SECONDS.
WED NIGHT
E WINDS AROUND 10 KT. SEAS 5 TO 7 FT. SHOWERS
LIKELY.
THU
E WINDS AROUND 10 KT. SEAS 4 TO 6 FT. SHOWERS LIKELY.
THU NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
5 TO 7 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ256-270300-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
1005 AM EDT SUN APR 26 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING
THIS AFTERNOON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SE 4 FT AT 6 SECONDS AND E 2 FT AT
13 SECONDS. A CHANCE OF SHOWERS THIS MORNING.
TONIGHT
NE WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 20 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT
AT 7 SECONDS AND NW 1 FOOT AT 2 SECONDS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: SE 4 FT AT 7 SECONDS AND NE 3 FT AT 4 SECONDS.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 5 FT. WAVE DETAIL: E 5 FT AT 8 SECONDS AND N 3 FT AT
4 SECONDS.
TUE AND TUE NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 4 TO 6 FT. WAVE DETAIL: E 6 FT AT 10 SECONDS AND N 3 FT AT
5 SECONDS.
WED
NE WINDS AROUND 10 KT. SEAS 4 TO 6 FT. WAVE DETAIL: E 6 FT
AT 10 SECONDS AND NE 3 FT AT 6 SECONDS.
WED NIGHT
E WINDS AROUND 10 KT. SEAS 4 TO 5 FT. A CHANCE OF
SHOWERS.
THU
E WINDS AROUND 10 KT. SEAS 4 TO 5 FT. SHOWERS LIKELY.
THU NIGHT
NW WINDS 20 TO 25 KT. SEAS 5 TO 7 FT. A CHANCE OF
SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ232-270300-
NANTUCKET SOUND-
1005 AM EDT SUN APR 26 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
MONDAY EVENING...
THIS AFTERNOON
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SE 2 FT AT 9 SECONDS AND NW 1 FOOT AT 3 SECONDS. A CHANCE
OF SHOWERS THIS MORNING.
TONIGHT
NE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT AFTER MIDNIGHT.
SEAS AROUND 2 FT. WAVE DETAIL: E 2 FT AT 9 SECONDS AND E 1 FOOT
AT 3 SECONDS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS AND NE 2 FT AT 3 SECONDS.
MON NIGHT
NE WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND E
2 FT AT 8 SECONDS.
TUE
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. WAVE DETAIL: E 3 FT AT 8 SECONDS AND N 2 FT AT 5 SECONDS.
TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. WAVE DETAIL:
NE 3 FT AT 5 SECONDS AND E 3 FT AT 10 SECONDS.
WED
NE WINDS AROUND 10 KT. SEAS 3 TO 5 FT.
WED NIGHT
E WINDS AROUND 10 KT. SEAS 2 TO 4 FT. SHOWERS
LIKELY.
THU
E WINDS AROUND 10 KT. SEAS 2 TO 4 FT. SHOWERS LIKELY.
THU NIGHT
W WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ233-270300-
VINEYARD SOUND-
1005 AM EDT SUN APR 26 2026
THIS AFTERNOON
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: E 1 FOOT AT 2 SECONDS AND S 1 FOOT AT 6 SECONDS. A CHANCE
OF SHOWERS THIS MORNING.
TONIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: E
2 FT AT 7 SECONDS AND NE 1 FOOT AT 3 SECONDS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: N 2 FT AT 3 SECONDS AND SE 2 FT AT 7 SECONDS.
MON NIGHT
NE WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE
EVENING. SEAS 2 TO 4 FT. WAVE DETAIL: N 2 FT AT 3 SECONDS AND SE
2 FT AT 8 SECONDS.
TUE AND TUE NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND SE 1 FOOT AT
9 SECONDS.
WED
NE WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
2 FT AT 11 SECONDS AND NE 1 FOOT AT 3 SECONDS.
WED NIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. SHOWERS LIKELY.
THU
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. SHOWERS LIKELY.
THU NIGHT
NW WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. SHOWERS
LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ234-270300-
BUZZARDS BAY-
1005 AM EDT SUN APR 26 2026
THIS AFTERNOON
E WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS, THEN
AROUND 2 FT. WAVE DETAIL: E 1 FOOT AT 2 SECONDS AND NW 1 FOOT AT
3 SECONDS, BECOMING E 1 FOOT AT 2 SECONDS AND N 1 FOOT AT
3 SECONDS. A CHANCE OF SHOWERS THIS MORNING.
TONIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: NE
2 FT AT 9 SECONDS AND N 1 FOOT AT 2 SECONDS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: N 2 FT AT 3 SECONDS AND E 2 FT AT 8 SECONDS.
MON NIGHT
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT 3 SECONDS AND SE
2 FT AT 9 SECONDS.
TUE AND TUE NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND SE 1 FOOT
AT 9 SECONDS.
WED
NE WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: NE
1 FOOT AT 2 SECONDS AND S 1 FOOT AT 10 SECONDS.
WED NIGHT
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. SHOWERS
LIKELY.
THU
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. SHOWERS LIKELY.
THU NIGHT
NW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. SHOWERS
LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ235-270300-
RHODE ISLAND SOUND-
1005 AM EDT SUN APR 26 2026
THIS AFTERNOON
E WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 5 SECONDS AND E 1 FOOT AT
8 SECONDS. A CHANCE OF SHOWERS THIS MORNING.
TONIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 5 SECONDS AND E 3 FT AT 10 SECONDS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS AND NE 2 FT AT 3 SECONDS.
MON NIGHT
NE WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE
EVENING. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND N
2 FT AT 4 SECONDS.
TUE AND TUE NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND N 2 FT AT
4 SECONDS.
WED
NE WINDS AROUND 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE
4 FT AT 10 SECONDS AND NE 2 FT AT 3 SECONDS.
WED NIGHT
E WINDS AROUND 10 KT. SEAS 3 TO 4 FT. SHOWERS
LIKELY.
THU
E WINDS AROUND 10 KT. SEAS 2 TO 4 FT. SHOWERS LIKELY.
THU NIGHT
NW WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. A CHANCE OF
SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ237-270300-
BLOCK ISLAND SOUND-
1005 AM EDT SUN APR 26 2026
THIS AFTERNOON
E WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: E 3 FT AT 4 SECONDS AND SE 1 FOOT AT
7 SECONDS. A CHANCE OF SHOWERS THIS MORNING.
TONIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 4 SECONDS AND E 3 FT AT 10 SECONDS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS AND NE 2 FT AT 4 SECONDS.
MON NIGHT
NE WINDS AROUND 10 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT AT 8 SECONDS AND NE
2 FT AT 4 SECONDS.
TUE AND TUE NIGHT
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: E 4 FT AT 8 SECONDS AND N 3 FT AT 4 SECONDS.
WED
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT
AT 10 SECONDS AND NE 2 FT AT 4 SECONDS.
WED NIGHT
E WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. SHOWERS LIKELY.
THU
E WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. SHOWERS LIKELY.
THU NIGHT
NW WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. A CHANCE OF
SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ230-270300-
BOSTON HARBOR-
1005 AM EDT SUN APR 26 2026
THIS AFTERNOON
E WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
TONIGHT
NE WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
MON
NE WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS, THEN AROUND
2 FT IN THE AFTERNOON.
MON NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
TUE AND TUE NIGHT
NE WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
WED
NE WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS, EXCEPT 2 TO
4 FT AT THE OUTER HARBOR ENTRANCE.
WED NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS, EXCEPT
2 TO 4 FT AT THE OUTER HARBOR ENTRANCE. SHOWERS LIKELY.
THU
E WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS, EXCEPT 2 TO 4 FT
AT THE OUTER HARBOR ENTRANCE. SHOWERS.
THU NIGHT
N WINDS 15 TO 20 KT. WAVES AROUND 2 FT. SHOWERS
LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ236-270300-
NARRAGANSETT BAY-
1005 AM EDT SUN APR 26 2026
THIS AFTERNOON
E WINDS 5 TO 10 KT. WAVES AROUND 2 FT. A SLIGHT
CHANCE OF SHOWERS.
TONIGHT
NE WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
MON
NE WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. WAVES 2 TO
3 FT.
MON NIGHT
NE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE
EVENING. WAVES 2 TO 3 FT.
TUE AND TUE NIGHT
NE WINDS 10 TO 15 KT. WAVES AROUND 2 FT.
WED
NE WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
WED NIGHT
E WINDS 5 TO 10 KT. WAVES AROUND 2 FT. SHOWERS
LIKELY.
THU
E WINDS 5 TO 10 KT. WAVES AROUND 2 FT. SHOWERS LIKELY.
THU NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES
2 TO 3 FT. A CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ280-270300-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
1005 AM EDT SUN APR 26 2026
THIS AFTERNOON
NW WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE
DETAIL: E 2 FT AT 9 SECONDS AND E 2 FT AT 13 SECONDS.
TONIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: E
2 FT AT 10 SECONDS AND E 2 FT AT 12 SECONDS.
MON
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 8 SECONDS AND NE 2 FT AT
3 SECONDS.
MON NIGHT
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 4 FT. WAVE DETAIL: SE 4 FT AT 7 SECONDS AND N
1 FOOT AT 2 SECONDS.
TUE
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 4 TO
6 FT, BUILDING TO 5 TO 8 FT IN THE AFTERNOON. WAVE DETAIL: E 5 FT
AT 8 SECONDS AND NE 1 FOOT AT 2 SECONDS, BECOMING E 7 FT AT
9 SECONDS AND N 1 FOOT AT 3 SECONDS.
TUE NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
6 TO 9 FT, BUILDING TO 8 TO 9 FT AFTER MIDNIGHT. WAVE DETAIL: E
9 FT AT 10 SECONDS AND NE 1 FOOT AT 2 SECONDS, BECOMING E 9 FT AT
10 SECONDS AND S 1 FOOT AT 8 SECONDS.
WED
E WINDS 10 TO 15 KT. SEAS 8 TO 9 FT. A CHANCE OF SHOWERS.
WED NIGHT THROUGH THU NIGHT
E WINDS 15 TO 20 KT WITH GUSTS UP
TO 25 KT. SEAS 7 TO 9 FT. SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ281-270300-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
1005 AM EDT SUN APR 26 2026
THIS AFTERNOON
NE WINDS AROUND 5 KT, INCREASING TO 5 TO 10 KT
WITH GUSTS UP TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT AT
9 SECONDS AND E 2 FT AT 13 SECONDS. A CHANCE OF SHOWERS.
TONIGHT
NE WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS AND N 2 FT AT 3 SECONDS.
MON
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: E 6 FT AT 6 SECONDS AND S 2 FT AT 8 SECONDS.
MON NIGHT
NE WINDS 15 TO 20 KT. GUSTS UP TO 30 KT IN THE
EVENING. SEAS 5 TO 7 FT. WAVE DETAIL: E 7 FT AT 7 SECONDS AND S
2 FT AT 8 SECONDS.
TUE
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 6 TO
9 FT, BUILDING TO 8 TO 11 FT IN THE AFTERNOON. WAVE DETAIL: E
8 FT AT 9 SECONDS AND N 2 FT AT 3 SECONDS, BECOMING E 11 FT AT
10 SECONDS AND N 3 FT AT 4 SECONDS.
TUE NIGHT
NE WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 9 TO 12 FT. WAVE DETAIL:
E 11 FT AT 10 SECONDS AND NE 4 FT AT 4 SECONDS. A CHANCE OF
SHOWERS AFTER MIDNIGHT.
WED AND WED NIGHT
E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. SEAS
8 TO 10 FT. A CHANCE OF SHOWERS.
THU
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 7 TO
9 FT. SHOWERS LIKELY.
THU NIGHT
S WINDS 15 TO 20 KT. SEAS 7 TO 10 FT. SHOWERS
LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ282-270300-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
1005 AM EDT SUN APR 26 2026
THIS AFTERNOON
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: NE 4 FT AT 5 SECONDS AND SE 2 FT AT
9 SECONDS. SHOWERS.
TONIGHT
NE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 4 TO 6 FT. WAVE DETAIL: SE 5 FT
AT 7 SECONDS AND E 2 FT AT 12 SECONDS. SCATTERED SPRINKLES AFTER
MIDNIGHT.
MON
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO
8 FT. WAVE DETAIL: E 8 FT AT 8 SECONDS AND N 4 FT AT 4 SECONDS.
SCATTERED SPRINKLES IN THE MORNING.
MON NIGHT
NE WINDS 15 TO 20 KT. GUSTS UP TO 35 KT, DECREASING
TO 25 KT AFTER MIDNIGHT. SEAS 6 TO 8 FT. WAVE DETAIL: E 8 FT AT
8 SECONDS AND N 4 FT AT 4 SECONDS.
TUE AND TUE NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 7 TO 10 FT. WAVE DETAIL: E 10 FT AT 10 SECONDS AND N 5 FT AT
5 SECONDS.
WED
NE WINDS 10 TO 15 KT. SEAS 7 TO 9 FT. WAVE DETAIL: E 9 FT
AT 10 SECONDS AND E 4 FT AT 5 SECONDS.
WED NIGHT
E WINDS AROUND 10 KT. SEAS 6 TO 8 FT. SHOWERS
LIKELY.
THU
SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT. SHOWERS LIKELY.
THU NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
8 TO 11 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ283-270300-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
1005 AM EDT SUN APR 26 2026
THIS AFTERNOON
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
SEAS 4 TO 6 FT. WAVE DETAIL: E 5 FT AT 5 SECONDS AND SE 3 FT AT
9 SECONDS. SHOWERS LIKELY THIS MORNING.
TONIGHT
NE WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 5 TO 6 FT. WAVE DETAIL: E 6 FT
AT 7 SECONDS AND S 2 FT AT 8 SECONDS.
MON
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
8 FT. WAVE DETAIL: E 7 FT AT 8 SECONDS AND N 4 FT AT 4 SECONDS.
MON NIGHT
NE WINDS 15 TO 20 KT. GUSTS UP TO 30 KT, DECREASING
TO 20 KT AFTER MIDNIGHT. SEAS 6 TO 8 FT. WAVE DETAIL: E 7 FT AT
9 SECONDS AND N 4 FT AT 4 SECONDS.
TUE AND TUE NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 6 TO 8 FT. WAVE DETAIL: E 8 FT AT 10 SECONDS AND N 3 FT AT
5 SECONDS.
WED
NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT. WAVE DETAIL: E 7 FT
AT 10 SECONDS AND N 4 FT AT 6 SECONDS.
WED NIGHT
E WINDS AROUND 10 KT. SEAS 5 TO 7 FT. SHOWERS
LIKELY.
THU
SE WINDS 10 TO 15 KT. SEAS 5 TO 8 FT. SHOWERS LIKELY.
THU NIGHT
W WINDS 20 TO 25 KT. SEAS 7 TO 10 FT. A CHANCE OF
SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
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